.video-monitor {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid #ccc;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    background-color: #fff;
  }
  
  .video-monitor-closed {
    display: none;
  }
  
  .video-monitor-header {
    height: 20px;
    background-color: #000;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px;
    cursor: move;
  }
  
  .video-monitor-close-button {
    border: none;
    background-color: transparent;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
  }
  
  .video-monitor-content {
    height: 580px;
    overflow: hidden;
  }